Discusses how imprecision and uncertainty are dealt with in the UFO (Uncertainty and Fuzziness in an Object-oriented) database model. Such information is expressed by means of possibility distributions, and modeled by means of the proposed concept of "role objects." The role objects model uncertain, tentative information about objects,…

This report offers comprehensive information about the current capabilities of statewide higher education student data systems including the scope of these systems, what information is collected, and how information is used. The report provides analysis of student tracking systems and data sharing across agencies. It addresses protection of the…